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YANCHENG SANYI PETROCHEMICAL MACHINERY CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    219,635
About

YANCHENG SANYI PETROCHEMICAL MACHINERY CO LTD has a total of 14 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets measurement and civil engineering are BITSWAVE INSTR SUZHOU CO LTD, SYMINEX SA and ENGIP LLC.

Patent filings in countries

World map showing YANCHENG SANYI PETROCHEMICAL MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing YANCHENG SANYI PETROCHEMICAL MACHINERY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yongchun Zhao 12
#2 Hua Liu 12
#3 Xuegao Liu 10
#4 Rongbing Wang 10
#5 Fu Chunhong 2
#6 Wang Zijie 2
#7 Zhang Zhongshan 2
#8 Zhang Xiaotong 2
#9 Xiaoning Li 2
#10 Chunhong Fu 2

Latest patents

Publication Filing date Title
CN111119858A Blowout preventer rubber core monitoring and evaluating system
CN111189623A High-low temperature test device of blowout preventer
CN102206994A Remote control technique for dual-redundancy electric-gas-liquid controlled blowout preventing systems
CN102206993A Interference type well pressure seal-supporting floating seal blowout preventer
CN102191924A Remote electric pneumatic control system
CN102192209A Reversing valve hermetically-sealed structure of remote control gas path
CN102192244A Plane-connection-type plunger pump coupling
CN102191926A Long-distance adjustable control valve
CN102192126A Sealing structure of pneumatic pump piston
CN102168535A Pneumatic pressure joint-control device for ground blowout preventor capable of testing pressure
CN102155183A Integral combination valve
CN102155180A Multi-valve production tree wellhead device
CN102155179A Dead hole studded type tubing head four-way joint
CN102155547A Plug-in type high-pressure plate valve